Unilever say that using the waste to convert 18,000 tonnes of solid marmite into methane has cut carbon emissions from it’s factories by 1,000,000 tonnes since 2008 saving the company £175.8m in energy costs.
That’s a result of its green initiatives, including harnessing waste materials from products such as Marmite and Flora to generate energy.
In South Africa a bi-product of the seed oil from Flora is also used to create fuel in boilers to produce electricity.
The company has also managed to cut energy use by 20% overall – enough to run 40 factories or cut emissions by more than 800,000 tonnes.
39% of the power and 28% of energy used by Unilever’s factories is currently comes from renewable sources, with a 40% green energy target for the end of the decade.
Pier Luigi Sigismondi, Unilever Chief Supply Chain Officer said: “Across our supply chain we are increasingly turning to energy provided by wind, solar and biomass, converting heat from our manufacturing processes into power for our factories.
“Climate change is having a huge impact on the environment and on business. Ahead of Climate Week in Paris, we are continuing to show that sustainability is a driver for growth and the only long-term option for business in a volatile world.”